Re: [Dev-C++] overloading delete

[Hossein H. <ult...@em...>]

Dear Per,

> The void* parameter of delete is only guaranteed in linear addressing
> mode. For 16-bit segmented code, delete might take a couple of other
> parameter types, depending on memory model used.
> 
> It might take void __near* and void __far *.
> 
> The void __far * is for 16-bit Intel composed of a 16:16 bit pointer,
> where the first 16 bit are the segment, and the next 16 bit are offset.
> 
> However, a 16:16 pointer is still treated as a single parameter in the
> code, i.e. you still write "delete myobj;", where myobj contains a pointer
> returned by new.
> 
> It is just code performing advanced pointer manipulation that needs to
> know that the pointer is segmented. For memory areas < 64kB this isn't
> a problem since the offset part spans 64kB. Arrays and memory blocks
> larger than 64kB do require special treatment, such as conversion to void
> __huge * to make sure that the offset part is always normalized 0..15 and
> the segment is constantly adjusted too.

You'r absolutely right! Thanks for reminding.

Wishes,
--Hossein

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